Cargo · Not tested by Will

Tern GSD S10: specs and how it compares

Not tested. Will hasn't ridden this bike. Specs come from Tern's own site, written in our words, and each one is linked below. For bikes he has tested, see the reviews.

Class: Tern lists 20 mph assist (US) but no class. E-bike laws by state

Drawing of the bike type, not a photo of this model.

$7,999
Price as of Oct 26, 2026 on Tern's site. Sold through dealers; stock not listed.

Our take

The GSD S10 is Tern's flagship compact longtail. It's rated to 463 lb gross, has ABS brakes and a Bosch Cargo Line motor, and can take a second battery. It costs $7,999 through dealers and weighs 82 lb. It's built to replace a car for family hauling.

Closest bike Will has tested

Aventon Abound LR, from Will's review video

Aventon Abound LR

Will reviewed it: a cargo e-bike he filmed and hauled with.

Read Will's review

Specs

E-bike classnot listed
MotorBosch Cargo Line, 85 Nm
Battery545 Wh; takes a second battery (up to 2 x 800 Wh)
Claimed range28 to 61 mi; up to 122 mi with two batteries (maker's figures)
Weight82.3 lb (37.32 kg)
Max load (gross, including bike)463 lb (210 kg) gross, including the bike; rear rack rated for 220 lb
BrakesMagura MT-C ABS 4-piston hydraulic discs, 203 mm
SuspensionSuntour fork; Cane Creek suspension seatpost
TiresSchwalbe Pick-Up 20 in
GearsShimano Deore 10-speed, 11-42T
Pedal sensornot listed
Rider heightOne size, 153 to 200 cm (5'0" to 6'7")

Tern lists 20 mph assist (US) but no class. Check e-bike laws in your state.

Versions

Compared with similar bikes

Tern GSD S10not testedAventon Abound LRBlix PackaAventon Abound
Price$7,999$1,999$2,099$2,200
Motor—750 W750 W750 W
Torque85 Nm80 Nm——
Battery545 Wh733 Wh1344 Wh720 Wh
Weight82.3 lb88 lb67 lb—
Payload463 lb440 lb250 lb440 lb
AEB Score4.6 (provisional)6.16.46.8

Specs for the other bikes come from their pages on this site; ones marked spec profile haven't been ridden by Will. Prices change, so check the review page for the latest.

What owners say

We haven't gathered enough owner reviews from sources we trust yet, so there's no summary for now.

Sources

Page updated Oct 26, 2026.